Animal Rights National Conference holds annual conferences, alternating in Los Angeles and Washington, D.C. Some speakers are from religiously based animal rights and welfare organizations, and many religiously based groups have exhibits.

Liz Lerman is a choreographer, founder of the  Liz Lerman Dance Exchange and MacArthur Fellowship recipient. Among her most recent works is 613 Radical Acts of Prayer, which takes its name from the Talmudic laws and explores the nature of prayer. The dance company is based in Takoma Park, Md.

Pastor Harry R. Jackson Jr. is pastor of Hope Christian Church in Lanham, Md. He also heads the High Impact Leadership Coalition.

Bike & Brunch is a Jewish, largely single bicycling group in the Baltimore-Washington, D.C., region.

Yitzchok Breitowitz is the rabbi of the Woodside Synagogue in Silver Spring, Md. He speaks on issues of family law and ethics and has delivered talks on men’s anger and the Torah.

The Defense and Veterans Brain Injury Center is the federal clearinghouse for treatment and research of traumatic brain injury suffered by military personnel. The center posts data about the incidence of TBI; as of mid-2013, more than 280,000 U.S. military personnel had suffered such an injury since 2000. Contact through the website.

The Autism Society, the oldest autism advocacy organization in the U.S., has a nationwide network of affiliates. They sponsor conferences and training and offer resources.

The National Apostolate for Inclusion Ministry in Landover Hills, Md., promotes inclusion of people with intellectual or developmental disabilities in the life of the Catholic Church.

The Awareness Center was the Jewish Coalition Against Sexual Abuse/Assault, an international organization that addresses sexual violence in Jewish communities. It had a certification program for rabbis interested in working with victims of sexual violence. It closed in 2014, but the site is still provided for educational and historical purposes.